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2014 ; 2014
(ä): 965403
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Detection of gunshot residues using mass spectrometry
#MMPMID24977168
Taudte RV
; Beavis A
; Blanes L
; Cole N
; Doble P
; Roux C
Biomed Res Int
2014[]; 2014
(ä): 965403
PMID24977168
show ga
In recent years, forensic scientists have become increasingly interested in the
detection and interpretation of organic gunshot residues (OGSR) due to the
increasing use of lead- and heavy metal-free ammunition. This has also been
prompted by the identification of gunshot residue- (GSR-) like particles in
environmental and occupational samples. Various techniques have been investigated
for their ability to detect OGSR. Mass spectrometry (MS) coupled to a
chromatographic system is a powerful tool due to its high selectivity and
sensitivity. Further, modern MS instruments can detect and identify a number of
explosives and additives which may require different ionization techniques.
Finally, MS has been applied to the analysis of both OGSR and inorganic gunshot
residue (IGSR), although the "gold standard" for analysis is scanning electron
microscopy with energy dispersive X-ray microscopy (SEM-EDX). This review
presents an overview of the technical attributes of currently available MS and
ionization techniques and their reported applications to GSR analysis.
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